int64 hz
int64 num_timesteps
int64 num_iters
float64 gamma
float64 init_steering
float64 init_throttle
float64 steering_var
float64 throttle_var
float64 max_throttle
float64 speed_coefficient
float64 track_coefficient
float64 max_slip_angle
float64 track_slop
float64 crash_coeff
string map_path
float64 desired_speed